Which of the following statements concerning the citric acid cycle as the central metabolic pathway is true ?
A) It is involved in the metabolism of sugars and amino acids.
B) It is involved in the metabolism of amino acids and lipids.
C) It links anaerobic metabolism to aerobic metabolism.
D) Many of its intermediates are starting points for synthesis of a variety of compounds.
E) All of these are reasons why the citric acid cycle is considered to be the central pathway.

Question

Quizplus · Accepted Answer

The citric acid cycle is indeed central to cellular metabolism because it is involved in the metabolism of sugars, amino acids, and lipids (A and B), it links anaerobic and aerobic metabolism (C), and many of its intermediates serve as precursors for the synthesis of various compounds (D). Therefore, all of these reasons collectively highlight its central role.

Which of the Following Statements Concerning the Citric Acid Cycle